CA $124 Cheap Flights from Chicago (ORD) to Seattle (SEA)

Popular airlines from Chicago O'Hare International Airport (ORD) to Seattle-Tacoma International Airport (SEA)

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Cheap flights from Chicago (ORD) to Seattle (SEA)

Prices were available within the past 7 days and start at CA $124 for one-way flights and CA $244 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Alaska Airlines
Alaska Airlines
American Airlines
American Airlines
Hawaiian Airlines
American Airlines
American Airlines
Alaska Airlines
Spirit Airlines

Find the cheapest month to fly from Chicago (ORD) to Seattle (SEA)

September is typically the cheapest month to fly

From CA $128 - CA $220 per traveller.

Graph displaying average flight prices per month

Flight from Chicago to Seattle (ORD - SEA) route information
Origin airport
O'Hare Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Spirit Airlines, Sun Country Airlines, United
Roundtrip price
CA $244
Distance
2745 km
Average flight time
2 hours 34 mins

Chicago to Seattle Flights

The easy way to book your flights from Chicago to Seattle 

With Expedia, it’s simple to find and book flights to Seattle from Chicago whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Seattle - Tacoma Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Chicago to Seattle today, tomorrow, or this week.  

 

Save dollars with cheap flights from O'Hare Intl., ORD to Seattle - Tacoma Intl., SEA 

Sort your search results by price to find great deals on your flight from Chicago to Seattle—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Seattle from Chicago currently is just CA $244 rising to CA $368.  

Here are more money-saving tips: 

  • Fly in October when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Seattle  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Seattle from Chicago 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Seattle with Expedia today.

Frequently asked questions

How much is a flight from O'Hare Intl. Airport (ORD) to Seattle - Tacoma Intl. Airport (SEA)?
If you're travelling from O'Hare Airport to Sea-Tac Airport, round-trip journeys start from CA $244. This price is based on fares advertised within the last 7 days on Expedia for flights departing within the next year, so don't let a good deal pass you by. Book today and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from O'Hare Airport to Sea-Tac Airport?
The majority of flights can be cancelled online, but whether you are charged a fee varies between airlines. If you do have to cancel your trip, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from O'Hare Intl. Airport (ORD) to Seattle - Tacoma Intl. Airport (SEA) that have flexible change policies?
Use our "No change fees" filter to find flexible travel options for your flight from O'Hare Airport to Sea-Tac Airport. This allows you to secure a great deal in advance and still have the freedom to reschedule without any extra fees. You'll just need to pay the fare difference, if applicable.
How many hours is the flight from O'Hare Intl. Airport (ORD) to Seattle - Tacoma Intl. Airport (SEA)?
Consider bringing your own in-flight entertainment, as it takes approximately 4 hours and 48 minutes to jet to Seattle - Tacoma Intl. Airport (SEA) from O'Hare Airport. A pair of noise-cancelling headphones will be handy too.
How far is the flight from O'Hare Intl. Airport (ORD) to Seattle - Tacoma Intl. Airport (SEA)?
The flying distance between ORD and Seattle - Tacoma Intl. Airport (SEA) is 2,800 kilometres. Squeeze in a nap or make a start on the latest bestseller and the journey will whiz by.
Which airlines fly direct from O'Hare Airport to Seattle - Tacoma Intl. Airport (SEA)?
You're spoiled for choice when flying from O'Hare Airport to Sea-Tac Airport. Lock in your ticket with one of these sought-after carriers:

  • United Airlines - (UA) with 91 monthly flights
  • Alaska Airlines - (AS) with 86 monthly flights
  • Delta - (DL) with 56 monthly flights
  • American Airlines - (AA) with 26 monthly flights

Are O'Hare Airport to Seattle - Tacoma Intl. Airport (SEA) flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from ORD to Sea-Tac Airport can be hit-or-miss. You may be able to score a great bargain, but you could also miss out entirely! If you'd rather start your travel planning ahead of time, Expedia compares flight deals up to a year in advance. Just bear in mind that not all airlines advertise their prices that far in advance. Our top tip? Check back often as updates are made frequently.

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Seattle nearby Airports

Seattle Paine Field Intl. Airport

Chicago nearby Airports

Chicago

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